Quadrangle map, 1:250,000-scale | MH |
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Quadrangle map, 1:63,360-scale | A-3 |
Latitude | 63.2304 |
Longitude | -145.4792 |
Nearby scientific data | Find additional scientific data near this location |
Location and accuracy | This placer occurrence is at an elevation of approximately 3,600 feet at the confluence of College Creek and the creek draining southwest from Gulkana Glacier (mapped as Phelan Creek on the A-4 quadrangle but labeled Gulkana River on the A-3 quadrangle). It is in the NE1/4NE1/4 section 32, T. 19 S., R. 12 E., Fairbanks Meridian. |
Geologic descriptionPan concentrates of placer material collected by the U.S. Bureau of Mines from Phelan Creek contain gold and as much as 760 parts per billion platinum (Foley and others, 1989). | |
Geologic map unit | (-145.481434848492, 63.2299879785847) |
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Mineral deposit model | Placer Au-PGE (Cox and Singer, 1986; model 39a). |
Mineral deposit model number | 39a |
Age of mineralization | Holocene. |
Workings or exploration | There were active State claims on lower Phelan Creek during the mid-1990s. |
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Indication of production | Undetermined |
References | |
Reporters | W.T. Ellis (Alaska Earth Science), C.C. Hawley (Hawley Resource Group), and W.J. Nokleberg (USGS) |
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Last report date | 8/14/2002 |